Gudiyatham STD Code
| City | Gudiyatham |
| STD Code | 04171 |
| District | Vellore |
| State | Tamilnadu |
STD Code of Gudiyatham is 04171. This city is located in Vellore district of Tamilnadu state in India. To call landline phones of Gudiyatham, you must add 04171 before the number.